    <style>
      body {
        margin:9px 9px 0 9px;
        padding:0;
        background:white;}
      #ebene0 {
        background:khaki;}
      #ebene1 {
        margin-left:143px;
        padding-left:9px;
        background:white;}
      #ebene2 {
        background:khaki;}
      #ebene3 {
        margin-right:143px;
        padding-right:9px;
        background:white;}
      #main {
        background:white;}
    </style>
    <body>
      <div id="ebene0">
        <div id="ebene1">
          <div id="ebene2">
            <div id="ebene3">
              <div id="main">
                Hier spielt die Musik.
              </div>
            </div>
          </div>
        </div>
      </div>
    </body>